Nightly Build (v0.7.6-nightly.202606070732.ab2c6169)
Changes since v0.7.6-nightly.202606060713.9f0ab678:
cddaed8 Clarify checkpoint step count docs
d54a4e8 Fix attach step count to use real transcript turn count
29d4607 Address review: gate window reset on a real turn advance + fix comments
615839a Count checkpoint "steps" by prompts, not file-modifying turns